Nano Banana Compositor Node

A Blender compositor node that sends an input image and prompt to Google Gemini (Nano Banana) and returns the generated image back into the node graph.

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Installation

1. Download the latest release ZIP from GitHub
2. Open Blender
3. Go to Edit > Preferences > Add-ons
4. Click Install…
5. Select the ZIP file
6. Enable Nano Banana Node

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Getting a Gemini API Key

1. Go to https://aistudio.google.com
2. Sign in with your Google account
3. Open API Keys
4. Create a new API key
5. Add a billing card to your Google account

Important:
Even on the free tier, Google currently requires a connected billing card to access Gemini image models (including Nano Banana).
You may still stay within free usage limits, but a card is required for activation.

6. Copy the API key and paste it into the node’s API Key field

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Usage

1. Open the Compositing workspace
2. Enable Use Nodes
3. Add the node: Add > Nano Banana
4. Connect an image to the input
5. Enter your API key and prompt
6. Click Generate
7. View the result using a Viewer or Composite node

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Notes

• Blender 4.0+ required
• Internet connection required
• API usage and billing are your responsibility

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